ASTM C266 - Mix 650g with amount of water as prescribed in...

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Times of Setting of Hydraulic-Cement Paste by Gillmore Needles ASTM C-266 Tim Boyer CM 442 Pre-Lab Purpose The purpose of this lab is to provide a standardized method for determining the time of setting hydraulic cement by means of the Gillmore needle Equipment Trowel Mixer, Bowl, Paddle and Scraper Glass Graduates Plane Non-absorptive plates Gillmore Needles – weight about 113.4g and diameter about 2.12mm (initial), weight about 453.6g and diameter about 1.06mm (final) Procedure
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Unformatted text preview: Mix 650g with amount of water as prescribed in C 305 Form specimen into a pat with a flat top and the sides tapering to a thing edge To determine time of setting, hold needles in a vertical position and apply lightly to surface of the pat Post-Lab Test Conditions The test conditions for this procedure were normal. Results Initial set time: 3 hours Final set time: 4 hours Comments The procedure was followed as written and everything proceeded normally....
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This note was uploaded on 04/29/2008 for the course CE 320 taught by Professor Mckinney during the Spring '08 term at Rose-Hulman.

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